Question 1

How much is the body rotated for the PA oblique projection of the stomach and duodenum?

Accepted Answer

A)  40 degrees 
B)  45 degrees 
C)  60 degrees 
D)  40 to 70 degrees 
A)  40 degrees 
B)  45 degrees 
C)  60 degrees 
D)  40 to 70 degrees

Question 2

Which projections will clearly demonstrate the descending colon?
1)PA oblique, LAO
2)AP oblique, RPO
3)Left lateral

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 3

The routinely used methods of examining the stomach include _____ contrast.
1)no
2)single
3)double

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 4

The most distal portion of the small intestine is the:

Accepted Answer

A)  ileum. 
B)  pylorus. 
C)  jejunum. 
D)  duodenum. 
A)  ileum. 
B)  pylorus. 
C)  jejunum. 
D)  duodenum.

Question 5

Which of the following planes is centered to the grid for the PA oblique projection of the stomach and duodenum?

Accepted Answer

A)  Midsagittal plane 
B)  A longitudinal plane passing 4 inches to the right of the vertebral column 
C)  A longitudinal plane passing 4 inches to the left of the vertebral column 
D)  A longitudinal plane midway between the vertebrae and the lateral border of the elevated side 
A)  Midsagittal plane 
B)  A longitudinal plane passing 4 inches to the right of the vertebral column 
C)  A longitudinal plane passing 4 inches to the left of the vertebral column 
D)  A longitudinal plane midway between the vertebrae and the lateral border of the elevated side

Question 6

A PA projection of the stomach and duodenum can be performed using a 10 * 12 inch (24 * 30 cm) IR. Which of the following describes the plane that is centered to the grid for this projection?

Accepted Answer

A)  The midsagittal plane 
B)  A sagittal plane passing 4 inches to the right of the vertebral column 
C)  A sagittal plane passing 4 inches to the left of the vertebral column 
D)  A sagittal plane passing halfway between the midline and the lateral border of the abdomen 
A)  The midsagittal plane 
B)  A sagittal plane passing 4 inches to the right of the vertebral column 
C)  A sagittal plane passing 4 inches to the left of the vertebral column 
D)  A sagittal plane passing halfway between the midline and the lateral border of the abdomen

Question 7

What is the length of the average adult small intestine?

Accepted Answer

A)  10 feet 
B)  12 feet 
C)  20 feet 
D)  22 feet 
A)  10 feet 
B)  12 feet 
C)  20 feet 
D)  22 feet

Question 8

The main functions of the large intestine are:
1)digestion of food.
2)reabsorption of fluids.
3)elimination of waste products.

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 9

How much lower should the IR be positioned when the upright position is used for projections of the stomach?

Accepted Answer

A)  $1 / 2$ to 1 inch 
B)  2 to 2 $1 / 2$ inches 
C)  4 to 5 inches 
D)  3 to 6 inches 
A)  $1 / 2$ to 1 inch 
B)  2 to 2 $1 / 2$ inches 
C)  4 to 5 inches 
D)  3 to 6 inches

Question 10

Where is the IR centered for delayed images of the small intestine?

Accepted Answer

A)  Level of the iliac crests 
B)  1 inch above the iliac crests 
C)  2 inches above the iliac crests 
D)  At the costal margin/L3 
A)  Level of the iliac crests 
B)  1 inch above the iliac crests 
C)  2 inches above the iliac crests 
D)  At the costal margin/L3

Question 11

For which type of body habitus is the stomach nearly vertical?

Accepted Answer

A)  Sthenic 
B)  Asthenic 
C)  Hyposthenic 
D)  Hypersthenic 
A)  Sthenic 
B)  Asthenic 
C)  Hyposthenic 
D)  Hypersthenic

Question 12

Which of the following demonstrates the rectum and rectosigmoid area in a true axial projection?
1)AP axial
2)Left lateral decubitus
3)Chassard-Lapiné method

Accepted Answer

A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3 
A)  1 only 
B)  2 only 
C)  3 only 
D)  1, 2, and 3

Question 13

Which projection of the colon best demonstrates the right colic flexure?

Accepted Answer

A)  PA oblique, RAO 
B)  PA oblique, LAO 
C)  PA axial 
D)  AP axial 
A)  PA oblique, RAO 
B)  PA oblique, LAO 
C)  PA axial 
D)  AP axial

Question 14

At which level is the IR centered for a PA projection of the stomach and duodenum?

Accepted Answer

A)  T12/L1 
B)  L1/L2 
C)  L2/L3 
D)  Iliac crests 
A)  T12/L1 
B)  L1/L2 
C)  L2/L3 
D)  Iliac crests

Question 15

Which projection of the stomach demonstrates its anterior and posterior surfaces?

Accepted Answer

A)  PA 
B)  Lateral 
C)  AP oblique, LPO 
D)  PA oblique, RAO 
A)  PA 
B)  Lateral 
C)  AP oblique, LPO 
D)  PA oblique, RAO

Question 16

Food and fluid should be withheld for how many hours before a stomach examination?

Accepted Answer

A)  2 
B)  4 
C)  8 
D)  12 
A)  2 
B)  4 
C)  8 
D)  12

Question 17

During an ERCP, an endoscope is passed into the duodenum under fluoroscopic control. "Spot" images are usually taken of the _____ duct(s).
1)pancreatic
2)hepatic
3)common bile

Accepted Answer

A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3 
A)  1 and 2 
B)  1 and 3 
C)  2 and 3 
D)  1, 2, and 3

Question 18

What is the recommended oblique projection and position for the best demonstration of the esophagus?

Accepted Answer

A)  AP, LAO 
B)  AP, LPO 
C)  PA, RAO 
D)  PA, LAO 
A)  AP, LAO 
B)  AP, LPO 
C)  PA, RAO 
D)  PA, LAO

Question 19

At which level is the IR centered for an AP or PA oblique stomach and duodenum?

Accepted Answer

A)  L1/L2 
B)  L2/L3 
C)  L3/L4 
D)  Iliac crests 
A)  L1/L2 
B)  L2/L3 
C)  L3/L4 
D)  Iliac crests

Question 20

What is the length of the large intestine?

Accepted Answer

A)  3 feet 
B)  5 feet 
C)  7 feet 
D)  8 feet 
A)  3 feet 
B)  5 feet 
C)  7 feet 
D)  8 feet

Exam 17: Digestive System: Alimentary Canal

How much is the body rotated for the PA oblique projection of the stomach and duodenum?

Which projections will clearly demonstrate the descending colon? 1)PA oblique, LAO 2)AP oblique, RPO 3)Left lateral

The routinely used methods of examining the stomach include _____ contrast. 1)no 2)single 3)double

The most distal portion of the small intestine is the:

Which of the following planes is centered to the grid for the PA oblique projection of the stomach and duodenum?

A PA projection of the stomach and duodenum can be performed using a 10 * 12 inch (24 * 30 cm) IR. Which of the following describes the plane that is centered to the grid for this projection?

What is the length of the average adult small intestine?

The main functions of the large intestine are: 1)digestion of food. 2)reabsorption of fluids. 3)elimination of waste products.

How much lower should the IR be positioned when the upright position is used for projections of the stomach?

Where is the IR centered for delayed images of the small intestine?

For which type of body habitus is the stomach nearly vertical?

Which of the following demonstrates the rectum and rectosigmoid area in a true axial projection? 1)AP axial 2)Left lateral decubitus 3)Chassard-Lapiné method

Which projection of the colon best demonstrates the right colic flexure?

At which level is the IR centered for a PA projection of the stomach and duodenum?

Which projection of the stomach demonstrates its anterior and posterior surfaces?

Food and fluid should be withheld for how many hours before a stomach examination?

During an ERCP, an endoscope is passed into the duodenum under fluoroscopic control. "Spot" images are usually taken of the _____ duct(s). 1)pancreatic 2)hepatic 3)common bile

What is the recommended oblique projection and position for the best demonstration of the esophagus?

At which level is the IR centered for an AP or PA oblique stomach and duodenum?

What is the length of the large intestine?

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